Backups
zip every directory in the current dir
for d in */; do zip -r "${d%/}.zip" "$d" && rm -r "$d"; done
unzip every directory in the current dir
.............
Simple daily zip script
#!/bin/bash
DATE=`date +%d`
DIR=/Users/aike/Dropbox/Backups
cd /Users/aike/code/ && for i in */; do
zip -r "$DIR/$DATE.${i%/}.zip" "$i";
done